Brick-press box.



w. DAUGHENBAUGH & c, A.

BRICK PRESS BOX. APPLIUATIONTILED MAY 22, 1906.

MARKLB.

A TTORN/EKS PATENTED APR. 2, 1907.

narrate s'rarns PATET @EETQE.

LAWRENCE W. DAUGHENB'AUGH AND CLARENCE A. MARKLE, CF

CLEARFIELD, PENNSYLVANIA.

BRlOK-PRESS BOX.

Application filed May 22,

Specification of Letters Patent.

'ratenteol April 2, 1907.

1906. Serial No. 318,222.

To ail whom it may concern.-

Be it known that we, LAWRENCE W. DAUGHENBAUGH and CLAnENcE A. MAEKLE, citizens of the United States, residing at Clearfield, in the county of Clearfield and State of Pennsylvania, have invented a new and useful Brick-Press Box, of which the f ollowing is a specification.

This invention relates to press-boxes for the manufacture of pressed brick; and its principal object is to provide a box which may be readily repaired and adjusted at the brick yard or factory without the necessity of sending the whole of the box to a repairshop, as practiced at the present time.

A further object of the invention is to pro vide a press-box having detachable liners which may be readily placed in position with .out the exercise of any special mechanical skill, the liners being readily interchangeable, so that when one set is worn another set maybe readily substituted therefor.

A still further object of the invention is to provide a press-box and detachable liners of such construction that there will be no danger of shearing or mutilating the securing bolts or screws during the operation of press ing the bricks.

A still further object of the invention is to provide a novel form of pad or base member provided with detachable liners and facings of such construction as to permit ready renewal when worn, and, further, to provide a pad with a suitable face-plate or name-plate which may be readily changed in accordance with the name to be stamped on the bricks.

With these and other objects in view, as will more fully hereinafter appear, the invention consists in certain novel features of construction and arrangement of parts, hereinafter fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims, it being understood that various changes in the form, proportions, size, and minor details of the structure may be made without departing from the spirit or sacrificing any of the advantages of the invention.

In the accompanying drawings, Figure 1 is a transverse sectional elevation of a pressbox constructed in accordance with the invention. Fig. 2 is a detail perspective view of the various parts of the box, pad, and cover detached.

Similar numerals of reference are employed to indicate corresponding parts throughout the several figures of the drawings. 1 The press-box 10 is formed of cast metal and may be of any desired size and shape for the formation of firebrick, building-brick, or i any other class of bricks or blocks and may be of any size and of any desired shape. In the present instance the box 10 is rectan gular in form and is provided with bolting lugs ll, to be attached to the frame of the press in the usual manner. The inner vertil cal walls of the box 10 are provided with i horizontal grooves 15, which may be formed by milling-cutters or otherwise, and any desired number of grooves may be formed in each of the walls, two of such grooves being shown in the present instance.

The liners 16 are formed of plates of an r suitable material, preferably hardened steel, and these liners are provided with ribs 17 of any desired shape or Width, said ribs fitting snugly within the grooves, so that when the liners are subjected to downward pressure the strain will be taken up by the lower walls of the ribs and grooves. The ribbed portions of the liners are provided with threaded openings 18, which terminate short of the inner facesof the liners and are designed to receive securing screws 19, that extend through openings formed in the wall of the box, the screws serving merely to draw the liners closely against the inner face of the box and maintain the same in proper position. During the action of the press, however, there is no shearing strain on these screws, this strain being taken up by the ribs and grooves, as previously described.

The pad or lower plunger comprises a castmetal plate 20, that is provided with a marginal recess extending around both its sides and ends, and the upper face of the pan is milled or planed away at the opposite edges to form recesses 21, that are separated by a centrally-disposed longitudinal rib 22. On top of the rib 22 is seated the name-plate 24, which may be held in place by suitable securingscrews formed in the pad, and where the main plates vary in thickness liners 26 may be employed to preserve the proper height.

The recesses 21 are arranged to receive facing-strips 27, formed of any suitable material, preferably hardened steel, and these are tapped for the reception of securingstituted when occasion requires.

screws 29, which, however, terminate short of the inner or upper faces of the strips. The marginal recesses of the pad serve to receive liner-strips 30 and 31, which are tapped into the body of the pad, the recesses being of greater depth than the heads of the securingscrews, so that there will be no danger of the box proper. The strips 30 and 31 become worn by contact with the vertical liners and may be readily detached and new latter engaging against the liners of the press- I ones sub- The cover 34 is provided with longitudinal grooves 35 for the reception of a rib 36 of a liner 37, which is preferably formed of the same material as the remaining held in place by suitable securing-screws 38.

The construction is such that every part of the box which engages with the material to be pressed into bricks is detachable, and. the detachable connections are of such construction as to permit the removal of any of said liners and the substitution of new liners without the exercise of any special. mechanical skill, thus avoiding the necessity of sending the entire press-box to the repair-shop, as now practiced.

We claim- 1. In a brick-press, a press-box, detachable liners therefor, and means for securing the. liners in place, the press-box and liners having closely-interfitting connections to means.

2. In a br1cl-:press, a press-box, detach- .prevent' shearing strain on the securing, l

able liners therefor, the box and liners having I liner, and this liner is zontally-disposed grooves at its closely-interfitting ribbed and grooved connections, and screws extending through the walls of the press-box into the ribbed porl tions of the liners, shearing strain on the 1' screws being prevented by the ribbed and grooved connections.

3. In a brick-press, a press-box, detachable liners therefor, the box being provided with horizontal grooves, liners having ribs closely fitting within said. grooves, and screws extending through the walls of the press-box into the ribs of the liners, shearing strain on said screws being prevented by the ribbed and grooved connections.

4. In a brick-press, a press-box having horiinner walls, liners having horizontal ribs fitting within said grooves, securing-screws extending through the vertical walls of the press-box and tapped into liners.

5. In a brick-press, a pad comprising a plate having a recessed upper face and provided with a continuous marginal recess, a detachable name-plate carried by the pad, facing-strips arranged in the recessed upper face of the pad, and liner-strips secured within the marginal recesses of said pad.

In testimony that we claim the foregoing the ribbed portions of the as our own we have hereto affixed our signatures in the presence of two witnesses.

LAWRENCE W. DAUGHENBAUGH. CLARENCE A. MAR-KLE. lVitnesses:

W. R. FARGO, PAUL KoLBn. 

